The package postcss before 8.2.13 are vulnerable to Regular Expression Denial of Service (ReDoS) via getAnnotationURL() and loadAnnotation() in lib/previous-map.js. The vulnerable regexes are caused mainly by the sub-pattern \/\*\s* sourceMappingURL=(.*).
CVE-2021-23382 - Medium Severity Vulnerability
Vulnerable Libraries - postcss-8.2.10.tgz, postcss-7.0.35.tgz
postcss-8.2.10.tgz
Tool for transforming styles with JS plugins
Library home page: https://registry.npmjs.org/postcss/-/postcss-8.2.10.tgz
Path to dependency file: /package.json
Path to vulnerable library: /node_modules/@vue/compiler-sfc/node_modules/postcss/package.json
Dependency Hierarchy: - compiler-sfc-3.0.11.tgz (Root Library) - :x: **postcss-8.2.10.tgz** (Vulnerable Library)
postcss-7.0.35.tgz
Tool for transforming styles with JS plugins
Library home page: https://registry.npmjs.org/postcss/-/postcss-7.0.35.tgz
Path to dependency file: /package.json
Path to vulnerable library: /node_modules/postcss/package.json
Dependency Hierarchy: - cli-service-4.5.12.tgz (Root Library) - css-loader-3.6.0.tgz - :x: **postcss-7.0.35.tgz** (Vulnerable Library)
Found in HEAD commit: bf0ee5a51dbc93fe7afbc3e1070669a067e73fe3
Found in base branch: master
Vulnerability Details
The package postcss before 8.2.13 are vulnerable to Regular Expression Denial of Service (ReDoS) via getAnnotationURL() and loadAnnotation() in lib/previous-map.js. The vulnerable regexes are caused mainly by the sub-pattern \/\*\s* sourceMappingURL=(.*).
Publish Date: 2021-04-26
URL: CVE-2021-23382
CVSS 3 Score Details (5.3)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: Low
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23382
Release Date: 2021-04-26
Fix Resolution: postcss - 8.2.13
Step up your Open Source Security Game with WhiteSource here